netdev - Re: [PATCH 2/2] net: ip, ipv6: handle gso skbs in forwarding path

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Message-ID: <20140128091201.GA25726@breakpoint.cc>
Date:	Tue, 28 Jan 2014 10:12:01 +0100
From:	Florian Westphal <fw@...len.de>
To:	Eric Dumazet <eric.dumazet@...il.com>,
	Florian Westphal <fw@...len.de>, netdev@...r.kernel.org
Subject: Re: [PATCH 2/2] net: ip, ipv6: handle gso skbs in forwarding path

Hannes Frederic Sowa <hannes@...essinduktion.org> wrote:
> On Mon, Jan 27, 2014 at 10:22:47AM -0800, Eric Dumazet wrote:
> > On Mon, 2014-01-27 at 09:22 +0100, Florian Westphal wrote:
> > 
> > > +/* called if GSO skb needs to be fragmented on forward.  */
> > > +static int ip_forward_finish_gso(struct sk_buff *skb)
> > > +{
> > > +	netdev_features_t features = netif_skb_features(skb);
> 
> netif_skb_features uses skb->dev for determination of offloading features but
> we actually need rt->dst.dev, no?

good catch, cannot use netif_skb_features as skb->dev still
points to incoming device here...
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